diff --git a/test/tools/llvm-mca/X86/BtVer2/resources-popcnt.s b/test/tools/llvm-mca/X86/BtVer2/resources-popcnt.s
new file mode 100644
index 00000000000..45ea05caa2f
--- /dev/null
+++ b/test/tools/llvm-mca/X86/BtVer2/resources-popcnt.s
@@ -0,0 +1,57 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -instruction-tables < %s | FileCheck %s
+
+popcntw     %cx, %cx
+popcntw     (%rax), %cx
+
+popcntl     %eax, %ecx
+popcntl     (%rax), %ecx
+
+popcntq     %rax, %rcx
+popcntq     (%rax), %rcx
+
+# CHECK:      Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects
+
+# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]	Instructions:
+# CHECK-NEXT:  1      1     0.50                    	popcntw	%cx, %cx
+# CHECK-NEXT:  1      4     1.00    *               	popcntw	(%rax), %cx
+# CHECK-NEXT:  1      1     0.50                    	popcntl	%eax, %ecx
+# CHECK-NEXT:  1      4     1.00    *               	popcntl	(%rax), %ecx
+# CHECK-NEXT:  1      1     0.50                    	popcntq	%rax, %rcx
+# CHECK-NEXT:  1      4     1.00    *               	popcntq	(%rax), %rcx
+
+# CHECK:      Resources:
+# CHECK-NEXT: [0] - JALU0
+# CHECK-NEXT: [1] - JALU1
+# CHECK-NEXT: [2] - JDiv
+# CHECK-NEXT: [3] - JFPA
+# CHECK-NEXT: [4] - JFPM
+# CHECK-NEXT: [5] - JFPU0
+# CHECK-NEXT: [6] - JFPU1
+# CHECK-NEXT: [7] - JLAGU
+# CHECK-NEXT: [8] - JMul
+# CHECK-NEXT: [9] - JSAGU
+# CHECK-NEXT: [10] - JSTC
+# CHECK-NEXT: [11] - JVALU0
+# CHECK-NEXT: [12] - JVALU1
+# CHECK-NEXT: [13] - JVIMUL
+
+# CHECK:      Resource pressure per iteration:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
+# CHECK-NEXT: 3.00   3.00    -      -      -      -      -     3.00    -      -      -      -      -      -
+
+# CHECK:      Resource pressure by instruction:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   	Instructions:
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -     	popcntw	%cx, %cx
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     	popcntw	(%rax), %cx
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -     	popcntl	%eax, %ecx
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     	popcntl	(%rax), %ecx
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -     	popcntq	%rax, %rcx
+# CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     	popcntq	(%rax), %rcx
+
diff --git a/test/tools/llvm-mca/X86/SandyBridge/resources-popcnt.s b/test/tools/llvm-mca/X86/SandyBridge/resources-popcnt.s
new file mode 100644
index 00000000000..8c3f997ce18
--- /dev/null
+++ b/test/tools/llvm-mca/X86/SandyBridge/resources-popcnt.s
@@ -0,0 +1,51 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=sandybridge -instruction-tables < %s | FileCheck %s
+
+popcntw     %cx, %cx
+popcntw     (%rax), %cx
+
+popcntl     %eax, %ecx
+popcntl     (%rax), %ecx
+
+popcntq     %rax, %rcx
+popcntq     (%rax), %rcx
+
+# CHECK:      Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects
+
+# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]	Instructions:
+# CHECK-NEXT:  1      3     1.00                    	popcntw	%cx, %cx
+# CHECK-NEXT:  2      9     1.00    *               	popcntw	(%rax), %cx
+# CHECK-NEXT:  1      3     1.00                    	popcntl	%eax, %ecx
+# CHECK-NEXT:  2      9     1.00    *               	popcntl	(%rax), %ecx
+# CHECK-NEXT:  1      3     1.00                    	popcntq	%rax, %rcx
+# CHECK-NEXT:  2      9     1.00    *               	popcntq	(%rax), %rcx
+
+# CHECK:      Resources:
+# CHECK-NEXT: [0] - SBDivider
+# CHECK-NEXT: [1] - SBFPDivider
+# CHECK-NEXT: [2] - SBPort0
+# CHECK-NEXT: [3] - SBPort1
+# CHECK-NEXT: [4] - SBPort4
+# CHECK-NEXT: [5] - SBPort5
+# CHECK-NEXT: [6.0] - SBPort23
+# CHECK-NEXT: [6.1] - SBPort23
+
+# CHECK:      Resource pressure per iteration:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]
+# CHECK-NEXT:  -      -      -     6.00    -      -     1.50   1.50
+
+# CHECK:      Resource pressure by instruction:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  	Instructions:
+# CHECK-NEXT:  -      -      -     1.00    -      -      -      -     	popcntw	%cx, %cx
+# CHECK-NEXT:  -      -      -     1.00    -      -     0.50   0.50   	popcntw	(%rax), %cx
+# CHECK-NEXT:  -      -      -     1.00    -      -      -      -     	popcntl	%eax, %ecx
+# CHECK-NEXT:  -      -      -     1.00    -      -     0.50   0.50   	popcntl	(%rax), %ecx
+# CHECK-NEXT:  -      -      -     1.00    -      -      -      -     	popcntq	%rax, %rcx
+# CHECK-NEXT:  -      -      -     1.00    -      -     0.50   0.50   	popcntq	(%rax), %rcx
+